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identity=mailfrom; envelope-from="adr@SDF.ORG"; helo=mx.sdf.org; client-ip=205.166.94.24 Received: from mx.sdf.org (mx.sdf.org [205.166.94.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Fri, 17 Jun 2022 13:42:02 -0400 (EDT) (envelope-from adr@SDF.ORG) Received: from sdf.org (IDENT:adr@sdf.org [205.166.94.16]) by mx.sdf.org (8.15.2/8.14.5) with ESMTPS id 25HHg045012610 (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits) verified NO) for <9fans@9fans.net>; Fri, 17 Jun 2022 17:42:01 GMT Received: from localhost (adr@localhost) by sdf.org (8.15.2/8.12.8/Submit) with ESMTP id 25HHg0xn023453 for <9fans@9fans.net>; Fri, 17 Jun 2022 17:42:00 GMT Date: Fri, 17 Jun 2022 17:42:00 +0000 (UTC) From: adr To: 9fans <9fans@9fans.net> Subject: Re: [9fans] syscall silently kill processes In-Reply-To: Message-ID: <58d6b132-134d-29f0-9357-25fab851e338@SDF.ORG> References: <79286caa2ca77ea9b9a1cd64918bdc5f28c8f180.camel@gmail.com> <9e922645a598c69ba14b74e18e8669cc068e9717.camel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: d0901b92-ee64-11ec-92af-ea1b2fb55414 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZmE2ODIzMDQ4YWQ5MGEyMS1NMzQ2MDgyZGViYzZhMmQ1YjAxMjY3?= =?UTF-8?B?ODc5Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Content-Transfer-Encoding: quoted-printable List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M346082debc6a2d5b01267879:1:5w07WiKFcOXL06dI16FvWlqOIm9eDyc7EYPZZ2FzoFw On Fri, 17 Jun 2022, Skip Tavakkolian wrote: > Thanks to Douglas Adams, I think '42' might be a more obvious magic > number for a clue: > > % 8c udpflood.c && 8l -o udpflood udpflood.8 && ./udpflood | grep end | w= c -l > 42 > % grep 42 /sys/src/libthread/note.c > #define NFN 42 I don't understand, why does it work when commenting out the read statement? Why it doesn't work even removing all the notification handling? Maybe I have it all wrong, but I think there is more to this. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tfa6823048ad90a21-M34608= 2debc6a2d5b01267879 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription